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[PULL,21/40] target-ppc: gdbstub: fix float registers for little-endian guests

Message ID 1454293868-12431-22-git-send-email-david@gibson.dropbear.id.au
State New
Headers show

Commit Message

David Gibson Feb. 1, 2016, 2:30 a.m. UTC 
From: Greg Kurz <gkurz@linux.vnet.ibm.com>

Let's reuse the ppc_maybe_bswap_register() helper, like we already do
with the general registers.

Signed-off-by: Greg Kurz <gkurz@linux.vnet.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
---
 target-ppc/translate_init.c | 4 ++++
 1 file changed, 4 insertions(+)
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Patch

diff --git a/target-ppc/translate_init.c b/target-ppc/translate_init.c
index 78c2811..031c71e 100644
--- a/target-ppc/translate_init.c
+++ b/target-ppc/translate_init.c
@@ -8754,10 +8754,12 @@  static int gdb_get_float_reg(CPUPPCState *env, uint8_t *mem_buf, int n)
 {
     if (n < 32) {
         stfq_p(mem_buf, env->fpr[n]);
+        ppc_maybe_bswap_register(env, mem_buf, 8);
         return 8;
     }
     if (n == 32) {
         stl_p(mem_buf, env->fpscr);
+        ppc_maybe_bswap_register(env, mem_buf, 4);
         return 4;
     }
     return 0;
@@ -8766,10 +8768,12 @@  static int gdb_get_float_reg(CPUPPCState *env, uint8_t *mem_buf, int n)
 static int gdb_set_float_reg(CPUPPCState *env, uint8_t *mem_buf, int n)
 {
     if (n < 32) {
+        ppc_maybe_bswap_register(env, mem_buf, 8);
         env->fpr[n] = ldfq_p(mem_buf);
         return 8;
     }
     if (n == 32) {
+        ppc_maybe_bswap_register(env, mem_buf, 4);
         helper_store_fpscr(env, ldl_p(mem_buf), 0xffffffff);
         return 4;
     }